CN109095750A - A kind of processing method of livestock culture excreta - Google Patents
A kind of processing method of livestock culture excreta Download PDFInfo
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- CN109095750A CN109095750A CN201810854059.5A CN201810854059A CN109095750A CN 109095750 A CN109095750 A CN 109095750A CN 201810854059 A CN201810854059 A CN 201810854059A CN 109095750 A CN109095750 A CN 109095750A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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Abstract
The invention discloses a kind of processing method of livestock culture excreta, includes the following steps: that poultry excreta is carried out melt cinder separation by S1., obtain urine and excrement slag；S2. the urine after separation is removed into bulky grain waste through just precipitating, then aluminium polychloride and bodied ferric sulfate is added into the urine after first precipitating, quickly stirred, heavy carbonate is then added and carries out coagulating sedimentation, finally carries out anaerobic fermentation again；S3. then the excrement slag water content after controlling separation is added composite bacteria agent and carries out anaerobic fermentation less than 60%, control is fermented 60~65 DEG C of humidity, and 60~65 DEG C of fermentation temperature, 10~20h of fermentation time；Wherein, composite bacteria agent described in S3 is made of each strain of following ratio: bacillus subtilis, Rhodococcus sp, clostridium butyricum, saccharomycete, lactic acid bacteria, streptomycete, bacillus cereus, Micropolyspora=2~5:3~8:2~7:1~4:1~6:2~5:1~3:1~4.The method of the invention can eliminate the harmful microorganism in excrement, deodorization, and the excrement of the urine handled has good fertilizer efficiency, have biggish application prospect.
Description
Technical field
Animal-breeding technical field of the present invention, more particularly, to a kind of processing method of livestock culture excreta.
Background technique
China is livestock culture big country, and cultivation scale is at the forefront in the world, is especially influenced by people's eating habit, China pig
Cultivation it is huge, the fowl and animal excrement quantity of generation is big, and effect on environment is big.By taking pig house is raised as an example: pig is to feeding environment
There is certain requirement, especially under the concentration cultivating condition of scale, pig house environment needs are periodically arranged, and avoid the pig of cultivation
It is sick or even dead.In the breeding process, a large amount of pig manure can be generated in pig house, pig house environment is caused to be deteriorated, it is therefore desirable to fixed
Phase is rinsed cleaning to pig house excreta.Pig house excreta can substantially be divided into two parts, and solid content is mainly pig manure, liquid
Object is mainly pig urine, rinse water, and has ammonia nitrogen abundant in liquid object, is the good fertilizer of plant growth.And pig manure passes through
It can be used as good feed or fertilizer after crossing processing appropriate.
But for livestock and poultry breeding industry, excreta processing is always problem, fails to obtain effective solution for a long time.
Chemical method is a kind of method handled using chemical reagent excrement, and principle is organic substance and chemistry in excrement
Substance reacts, such as H2S, which can be oxidized to hydrogen sulfide, can also be oxidized to sulphur or sulfur dioxide, since effect is unstable,
So that the technical application effect is bad.Physical method mainly includes heat painting, high temperature drying, expanding treatment and natural drying
Deng still, there is also certain defects for physical treatment method, although existing in treatment process for example, spontaneously drying at low cost
Time-consuming, has the shortcomings that the generation of the foul smell such as ammonia, and there are investment of production equipment for high temperature drying techniques greatly, energy consumption is high, discharge gas
The disadvantages of easily causing secondary pollution.
Summary of the invention
The technical problem to be solved by the present invention is to overcome above-mentioned the deficiencies in the prior art, a kind of livestock culture excretion is provided
The processing method of object.
Above-mentioned purpose of the invention is to give realization by the following technical programs:
A kind of processing method of livestock culture excreta, includes the following steps:
S1. poultry excreta is subjected to melt cinder separation, obtains urine and excrement slag；
S2. the urine after separation is removed into bulky grain waste through just precipitating, then polyaluminium is added into the urine after first precipitating
Aluminium and bodied ferric sulfate quickly stir, and heavy carbonate is then added and carries out coagulating sedimentation, finally carries out anaerobic fermentation again；
S3. then the excrement slag water content after control separation is added composite bacteria agent and carries out anaerobic fermentation, control fermentation is wet less than 60%
60~65 DEG C of degree, 60~65 DEG C of fermentation temperature, 10~20h of fermentation time；
Wherein, composite bacteria agent described in S3 is made of each strain of following ratio: bacillus subtilis: Rhodococcus sp: clostridium butyricum: ferment
Female bacterium: lactic acid bacteria: streptomycete: bacillus cereus: Micropolyspora=2~5:3~8:2~7:1~4:1~6:2~5:1~3:1
~4.
The present invention carries out melt cinder separation to the excreta of poultry first, then further directed to isolated urine and excrement
Slag carries out harmless treatment respectively；The urine process successively contains after inorganic matter flocculation sedimentation and microbiological anaerobic fermentation
Organic matter be largely decomposed, can preferably be absorbed by crops.The present invention selects anaerobism and amphimicrobe compatibility by a certain percentage
Coming to carry out anaerobic fermentation to excrement slag as composite bacteria agent, does not need oxygen supply, excrement slag is handled by composite bacteria fermentation, due to
The temperature of excrement slag fermentation is up to 60~65 DEG C, then cooperates the interaction in composite bacteria agent between microorganism, can effectively dispel worm
Ovum, harmful bacteria and various fungies；Microorganism fungus kind used in the present invention is by largely screening acquisition, by there is unit
It closes, by the combination of different metabolic ability, the complicated metabolism that single strain is difficult to complete can be completed, be greatly improved and remove
The burst size of livestock and poultry farm foul gas is effectively reduced in smelly effect, while the organic substance in excrement is decomposed, and more conducively inhales
Receive, and it is processed after excrement slag in and be rich in a large amount of beneficial bacterium, specific fertilizer efficiency can be brought to crop.And fermentation is taken
Between substantially reduce, it is only necessary to 10~20h.
Preferably, the mass volume ratio of urine, aluminium polychloride described in S2, bodied ferric sulfate and heavy carbonate is 100L:8
~15g:25~40g:1~3g.
Preferably, the mass volume ratio of urine, aluminium polychloride described in S2, bodied ferric sulfate and heavy carbonate is 100L:
10g:30g:2g.
Preferably, the basicity of flocculation sedimentation described in S2 is controlled 45%~85%.
Specifically, anaerobic fermentation described in S1 is nature anaerobic fermentation.
Preferably, the additive amount of the composite bacteria agent is that 3~5g composite bacteria agent is added in every 1kg excrement slag.
Preferably, the composite bacteria agent is made of each strain of following ratio: bacillus subtilis: Rhodococcus sp: butyric acid shuttle
Bacterium: saccharomycete: lactic acid bacteria: streptomycete: bacillus cereus: Micropolyspora=4:5:4:3:3:3:2:3.Specifically, above-mentioned micro- life
The living bacteria count of object is 1.0 × 109 cfu/mL。
Preferably, the poultry is chicken, duck, goose, pig, ox, sheep, horse etc..
The basic odorless of urine after the present invention is processed can be used as good foliar fertilizer and use；Meanwhile using warp
It crosses the excrement slag after composite fermentation microbial inoculum fermentation process of the present invention and is effectively dispelled worm's ovum, harmful bacteria and various fungies, and excrement
Just the organic substance in is decomposed, and more conducively absorbs, and in the excrement slag after processing and is rich in a large amount of beneficial bacterium, can be used as feed
Or organic fertilizer；Therefore, any of the above-described the method is preparing the application in feed or organic fertilizer also in the scope of the present invention
It is interior.
Compared with prior art, the invention has the following advantages:
The present invention provides a kind of processing method of livestock culture excreta, urine is detested by inorganic matter flocculation sedimentation and microorganism
The organic matter contained after aerobe fermentation is largely decomposed, and can preferably be absorbed by crops.The present invention is organic by a variety of strains
Combination to carry out anaerobic fermentation to excrement slag, does not need oxygen supply, and excrement slag is handled by composite bacteria fermentation, micro- in composite bacteria agent
Interaction between biology cooperates high temperature again, can effectively dispel faecal egg, harmful bacteria and various fungies；Used in the present invention
Microorganism fungus kind be by largely screening acquisition, can be complete by the combination of different metabolic ability by organic assembling
It is difficult to the complicated metabolism completed at single strain, is greatly improved deodorizing effect, livestock and poultry farm effluvium is effectively reduced
The burst size of body, while the organic substance in excrement is decomposed, and more conducively absorbs, and it is processed after excrement slag in and rich in a large amount of
Beneficial bacterium, specific fertilizer efficiency can be brought to crop, and substantially reduce the time required to fermenting, it is only necessary to which 10~20h has larger
Application prospect.
Specific embodiment
Further illustrate the present invention below in conjunction with specific embodiment, but embodiment the present invention is not done it is any type of
It limits.Unless stated otherwise, the present invention uses reagent, method and apparatus is the art conventional reagents, method and apparatus.
Unless stated otherwise, following embodiment agents useful for same and material are commercially available.
Embodiment 1
One boar cultivates the processing method of excreta, includes the following steps:
1, melt cinder separation is carried out to pig excrements in solid-liquid manure separator, respectively obtains urine and excrement slag.
2, the urine after separation is removed into bulky grain waste through just precipitating, then polymerization chlorine is added into the urine after first precipitating
Change aluminium and bodied ferric sulfate, quickly stir, heavy carbonate is then added and carries out coagulating sedimentation, basicity is controlled 65%, finally
The urine after coagulating sedimentation is carried out nature anaerobic fermentation 6 days again；Wherein, aluminium polychloride 10g is added in every 100L urine,
Bodied ferric sulfate 30g, heavy carbonate 2g.
3, the excrement slag water content after control separation is less than 60%, then according to the ratio for adding 4g composite bacteria agent in every 1kg excrement slag
Example is added composite bacteria agent and carries out anaerobic fermentation, and control is fermented 65 DEG C of humidity, and 65 DEG C of fermentation temperature, fermentation time 20h；It is described compound
Microbial inoculum is made of each strain of following ratio: bacillus subtilis: Rhodococcus sp: clostridium butyricum: brewer's yeast: streptococcus thermophilus:
Streptomyces albus: bacillus cereus, micropolyspora brevicatena=4:5:4:3:3:3:2:3, living bacteria count are 1.0 × 109
cfu/mL。
Embodiment 2
One boar cultivates the processing method of excreta, includes the following steps:
1, melt cinder separation is carried out to pig excrements in solid-liquid manure separator, respectively obtains urine and excrement slag.
2, the urine after separation is removed into bulky grain waste through just precipitating, then polymerization chlorine is added into the urine after first precipitating
Change aluminium and bodied ferric sulfate, quickly stir, heavy carbonate is then added and carries out coagulating sedimentation, basicity is controlled 45%, finally
The urine after coagulating sedimentation is carried out nature anaerobic fermentation 7 days again；Wherein, aluminium polychloride 8g is added in every 100L urine,
Bodied ferric sulfate 40g, heavy carbonate 1g.
3, the excrement slag water content after control separation is less than 60%, then according to the ratio for adding 5g composite bacteria agent in every 1kg excrement slag
Example is added composite bacteria agent and carries out anaerobic fermentation, and control is fermented 63 DEG C of humidity, and 63 DEG C of fermentation temperature, fermentation time 15h；It is described compound
Microbial inoculum is made of each strain of following ratio: bacillus subtilis: Rhodococcus sp: clostridium butyricum: brewer's yeast: streptococcus thermophilus:
Streptomyces albus: bacillus cereus, micropolyspora brevicatena=2:8:2:4:1:5:1:4, living bacteria count are 1.0 × 109
cfu/mL。
Embodiment 3
One boar cultivates the processing method of excreta, includes the following steps:
1, melt cinder separation is carried out to pig excrements in solid-liquid manure separator, respectively obtains urine and excrement slag.
2, the urine after separation is removed into bulky grain waste through just precipitating, then polymerization chlorine is added into the urine after first precipitating
Change aluminium and bodied ferric sulfate, quickly stir, heavy carbonate is then added and carries out coagulating sedimentation, basicity is controlled 85%, finally
The urine after coagulating sedimentation is carried out nature anaerobic fermentation 8 days again；Wherein, aluminium polychloride 15g is added in every 100L urine,
Bodied ferric sulfate 25g, heavy carbonate 3g.
3, the excrement slag water content after control separation is less than 60%, then according to the ratio for adding 3g composite bacteria agent in every 1kg excrement slag
Example is added composite bacteria agent and carries out anaerobic fermentation, and control is fermented 60 DEG C of humidity, and 60 DEG C of fermentation temperature, fermentation time 10h；It is described compound
Microbial inoculum is made of each strain of following ratio: bacillus subtilis: Rhodococcus sp: clostridium butyricum: brewer's yeast: streptococcus thermophilus:
Streptomyces albus: bacillus cereus, micropolyspora brevicatena=5:3:7:1:6:2:3:1, living bacteria count are 1.0 × 109
cfu/mL。
Comparative example 1
One boar cultivates the processing method of excreta, substantially the same manner as Example 1, the difference is that coagulation described in step 2
Basicity when precipitating is 40%.
Comparative example 2
One boar cultivates the processing method of excreta, substantially the same manner as Example 1, the difference is that coagulation described in step 2
Basicity when precipitating is 90%.
Comparative example 3
One boar cultivates the processing method of excreta, substantially the same manner as Example 1, the difference is that not containing in composite bacteria agent
Clostridium butyricum.
Comparative example 4
One boar cultivates the processing method of excreta, substantially the same manner as Example 1, the difference is that not containing in composite bacteria agent
Micropolyspora brevicatena.
Comparative example 5
One boar cultivates the processing method of excreta, substantially the same manner as Example 1, the difference is that not containing in composite bacteria agent
Rhodococcus sp.
Comparative example 6
One boar cultivates the processing method of excreta, substantially the same manner as Example 1, the difference is that by withered in composite bacteria agent
Careless bacillus is substituted for bacillus licheniformis.
Comparative example 7
One boar cultivates the processing method of excreta, substantially the same manner as Example 1, the difference is that not containing in composite bacteria agent
Streptococcus thermophilus.
Comparative example 8
One boar cultivate excreta processing method, it is substantially the same manner as Example 1, composite bacteria agent by following ratio each strain group
At: bacillus subtilis: Rhodococcus sp: clostridium butyricum: brewer's yeast: streptococcus thermophilus: streptomyces albus: bacillus cereus,
Micropolyspora brevicatena=6:2:8:0.5:7:1:4:0.5, living bacteria count are 1.0 × 109 cfu/mL。
Comparative example 9
One boar cultivate excreta processing method, it is substantially the same manner as Example 1, composite bacteria agent by following ratio each strain group
At: bacillus subtilis: Rhodococcus sp: clostridium butyricum: brewer's yeast: streptococcus thermophilus: streptomyces albus: bacillus cereus,
Micropolyspora brevicatena=1:9:1:5:3:2:1:4, living bacteria count are 1.0 × 109 cfu/mL。
Comparative example 10
One boar cultivates the processing method of excreta, substantially the same manner as Example 1, the difference is that excrement slag is spontaneous fermentation,
Composite bacteria agent of the present invention is not used.
The respective embodiments described above processing result shows, NH in Examples 1 to 3 the method treated urine3And H2S is released
High-volume decline 75% and 40% respectively, basic free from extraneous odour, after anaerobic fermentation after urine can directly do foliar fertilizer and sprayed, and
Excrement slag is after the processing of composite bacteria agent anaerobic fermentation, NH in excrement3And H2S burst size declines 75~85% respectively, wherein embodiment 1
The method effect is best, NH in excrement3And H2S burst size declines 85% and 80% respectively, heavy metal ion is remained in excrement slag, i.e.,
Chromium, mercury, arsenic, cadmium and lead reduce by 40~50%, meanwhile, the discovery of excrement detection of pathogens is not separated to relevant pathogenic bacteria, says
Bright Examples 1 to 3 the method can reach innoxious effect, and pathogenic microorganism killing effect is guaranteed.And comparative example 1~2
In, burst size only declines 30% and 15% in urine, there is obvious stink；Comparative example 3~10 the results show that in excrement
NH3And H2S burst size declines 30~40% respectively, stays concentration of heavy metal ion to reduce by 8~10%, remains a small amount of cause in excrement slag
Sick microorganism, this may be because causing not playing between each other corresponding since microorganism fungus kind proportion and ratio are improper
Function, or even generate certain antagonism, show the composite bacteria agent only in strain of the present invention and proportional region
It just can preferably be used for the processing of poultry excreta.Using pig manure after being handled in Examples 1 to 3 and comparative example 1~10 as raw material, just
Compatibility compares application effect at pakchoi enhanced fertilizer；The results show that the excrement slag for applying Examples 1 to 3 can under equal conditions
Volume increase 20%~30%, and pakchoi is sturdy, tender, green, crisp；And the excrement slag for applying comparative example 3~10 can only increase production 5%~10%, and
The universal growing way of pakchoi is bad, not tender enough, green, crisp.Illustrate in the excrement slag after Examples 1 to 3 is processed and rich in a large amount of
Benefit materials, specific fertilizer efficiency can be brought to crop.
Claims (9)
1. a kind of processing method of livestock culture excreta, which comprises the steps of:
S1. poultry excreta is subjected to melt cinder separation, obtains urine and excrement slag；
S2. the urine after separation is removed into bulky grain waste through just precipitating, then polyaluminium is added into the urine after first precipitating
Aluminium and bodied ferric sulfate quickly stir, and heavy carbonate is then added and carries out coagulating sedimentation, finally carries out anaerobic fermentation again；
S3. then the excrement slag water content after control separation is added composite bacteria agent and carries out anaerobic fermentation, control fermentation is wet less than 60%
60~65 DEG C of degree, 60~65 DEG C of fermentation temperature, 10~20h of fermentation time；
Wherein, composite bacteria agent described in S3 is made of each strain of following ratio: bacillus subtilis: Rhodococcus sp: clostridium butyricum: ferment
Female bacterium: lactic acid bacteria: streptomycete: bacillus cereus: Micropolyspora=2~5:3~8:2~7:1~4:1~6:2~5:1~3:1
~4.
2. the processing method of livestock culture excreta according to claim 1, which is characterized in that urine described in S2, polymerization
The mass volume ratio of aluminium chloride, bodied ferric sulfate and heavy carbonate is 100L:8~15g:25~40g:1~3g.
3. the processing method of livestock culture excreta according to claim 2, which is characterized in that urine described in S2, polymerization
The mass volume ratio of aluminium chloride, bodied ferric sulfate and heavy carbonate is 100L:10g:30g:2g.
4. the processing method of livestock culture excreta according to claim 1, which is characterized in that flocculation sedimentation described in S2
Basicity is controlled 45%~85%.
5. the processing method of livestock culture excreta according to claim 1, which is characterized in that anaerobic fermentation described in S1 is
Natural anaerobic fermentation.
6. the processing method of livestock culture excreta according to claim 1, which is characterized in that the composite bacteria agent adds
Dosage is that 3~5g composite bacteria agent is added in every 1kg excrement slag.
7. the processing method of livestock culture excreta according to claim 1, which is characterized in that the composite bacteria agent is by such as
Each strain of lower ratio forms: bacillus subtilis: Rhodococcus sp: clostridium butyricum: saccharomycete: lactic acid bacteria: streptomycete: waxy gemma
Bacillus: Micropolyspora=4:5:4:3:3:3:2:3.
8. the processing method of livestock culture excreta according to claim 1, which is characterized in that the poultry is pig.
9. any one of claim 1~8 the method is preparing the application in feed or organic fertilizer.
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| CN113604380A (en) * | 2021-07-15 | 2021-11-05 | 山东益昊生物科技有限公司 | Method for producing composite microbial inoculum by fermenting clostridium butyricum centrifugal waste liquid, corresponding composite microbial inoculum and application thereof |
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| CN109095750B (en) | 2021-12-31 |
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